Apparatus for the continuous electrochemical desalination of aqu

Details Apparatus for the continuous electrochemical desalination of aqu Apparatus for the continuous electrochemical desalination of aqu

1993-05-12

1994-12-27

Niebling, John

Chemistry: electrical and wave energy

Apparatus

Coating, forming or etching by sputtering

2041824, 2041825, B01D 6144, C02F 1469

Patent

active

053762533

ABSTRACT:
An apparatus for the continuous electrochemical desalination of aqueous solutions includes a wound module having a central electrode, around which are wound an anion exchanger membrane and a cation exchanger membrane, and an outer counterelectrode. Each membrane is sealed at an inner edge thereof and at a outer edge by a respective clamping device, or are anchored in a synthetic resin block, in such a way that a dilution chamber and a concentrate chamber are defined. The dilution chamber and/or the concentrate chamber may contain an ion exchanger resin. The central electrode and the outer counterelectrode each may have a constriction over at least a part of the circumference thereof. The central electrode may furthermore have a recess for receiving the inner clamping device or the inner synthetic resin block in order to achieve a winding having as spiral a cross section as possible.

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patent: 4956071 (1990-09-01), Giuffrida et al.
patent: 4964970 (1990-10-01), O'Hare
Desalination 16, 225-233 (1975), Elsevier Scientific Publishing Co., Amsterdam.

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